# DESIGN, UPGRADE, BUILD, REPAIR AND MAINTAIN THE JW TELEMETRY SYSTEM

> This tender closed on 2026-07-09.

- **Reference:** JW RFI 01/07/2026
- **Issuer:** [Johannesburg Water](https://za.bidwunder.com/tenders/issuer/johannesburg-water.md)
- **Region:** Gauteng
- **Type:** Expression of interest
- **Published:** 2026-07-01
- **Closing date:** 2026-07-09 15:00 SAST

## Summary

#### Overview
**Procurement of design, upgrade, build, repair and maintenance of Johannesburg Water's Telemetry System, including migration to the DNP3 protocol, SCADA integration, and radio network upgrades; targeted at telemetry, SCADA, controls, and open‑source protocol specialists.** This RFI seeks industry input to inform a 36‑month tender for modernising JW’s telemetry across two control rooms, phased migration, ongoing maintenance, and skills development. (JW RFI 01/07/2026 TELEMETRY .pdf)

#### Requirements
- Proven ability to repair/maintain Maestro/MDS telemetry and migrate to DNP3 within contract; open‑source DNP3 capability; SCADA integration.
- System redesign and upgrade of telemetry stations, enclosures, and radio network; two control rooms with hot‑standby radios; support for multi‑medium communications (fibre/UHF/4G).
- Training program: minimum 160 hours per technician; OEM/agent involvement; provide training cost per Year 1–3.
- Documentation and tools: full system description, drawings, wiring/layout details, operational manuals, revised as‑built drawings; supply test instruments and calibration where applicable.
- Compliance and safety: materials per SABS/ISO/OEM; Occupational Health and Safety Plan; environmental resilience for Highveld conditions; ICASA certification for radio equipment.
- Deliverables and pricing: pricing for migration and new installations; pricing per outstation configurations (Small/Medium/Large/X‑Large); 24/7 operational support with defined response times.

#### How to Apply
- Submission deadline: 09 July 2026 at 13:00; via email to JW contact or via Etender portal (document references: (JW RFI 01/07/2026 TELEMETRY .pdf)).
- Submission method: email or Etender portal.
- Documents to submit: technical capability and approach, pricing for migration and new installations, training cost per person, and relevant certifications or references.
- Pre-qualifications: not explicitly listed; verify with JW if needed.
- Briefing: details not specified in the document.
- Where to obtain bid documents: through the Etender portal per the RFI (no external links beyond the document).

## Description

DESIGN, UPGRADE, BUILD, REPAIR AND MAINTAIN THE JW TELEMETRY SYSTEM

DESIGN, UPGRADE, BUILD, REPAIR AND MAINTAIN THE JW TELEMETRY SYSTEM

Conditions: N/A

## Documents

- JW RFI 01-07-2026 TELEMETRY .pdf..pdf
- JW RFI 01-07-2026 TELEMETRY .pdf

Documents download with a free BidWunder account.

## Published on

- [eTenders OCDS API](https://www.etenders.gov.za/Home/opportunities?id=1)
- [eTenders.gov.za](https://www.etenders.gov.za)

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> Source: https://za.bidwunder.com/tenders/design-upgrade-build-repair-and-maintain-the-jw-telemetry-system-02d43de8